JPS5218108A - Conference telephone circuit - Google Patents

Conference telephone circuit

Info

Publication number
JPS5218108A
JPS5218108A JP51089769A JP8976976A JPS5218108A JP S5218108 A JPS5218108 A JP S5218108A JP 51089769 A JP51089769 A JP 51089769A JP 8976976 A JP8976976 A JP 8976976A JP S5218108 A JPS5218108 A JP S5218108A
Authority
JP
Japan
Prior art keywords
telephone circuit
conference telephone
conference
circuit
telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP51089769A
Other languages
Japanese (ja)
Inventor
Bobo Amirukare
Barusetsuki Jiyusetsupe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Italtel SpA
Original Assignee
Italtel SpA
Societa Italiana Telecomunicazioni Siemens SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Italtel SpA, Societa Italiana Telecomunicazioni Siemens SpA filed Critical Italtel SpA
Publication of JPS5218108A publication Critical patent/JPS5218108A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
JP51089769A 1975-07-31 1976-07-29 Conference telephone circuit Pending JPS5218108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25950/75A IT1040208B (en) 1975-07-31 1975-07-31 CNFERENCE CIRCUIT FOR SWITCHING TELEPHONE CONTROL UNITS OF NUMPERIC TYPE

Publications (1)

Publication Number Publication Date
JPS5218108A true JPS5218108A (en) 1977-02-10

Family

ID=11218237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51089769A Pending JPS5218108A (en) 1975-07-31 1976-07-29 Conference telephone circuit

Country Status (12)

Country Link
JP (1) JPS5218108A (en)
AR (1) AR209981A1 (en)
AU (1) AU497812B2 (en)
BR (1) BR7604885A (en)
DE (1) DE2634345A1 (en)
FR (1) FR2320015A1 (en)
GB (1) GB1528240A (en)
IN (1) IN143837B (en)
IT (1) IT1040208B (en)
NL (1) NL7608295A (en)
SE (1) SE7608445L (en)
TR (1) TR19323A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112258A (en) * 1977-10-12 1978-09-05 Bell Telephone Laboratories, Incorporated Communication system using intelligent network processor
USRE31651E (en) * 1977-10-12 1984-08-21 Bell Telephone Laboratories, Incorporated Communication system using intelligent network processor
DE3005739C2 (en) * 1980-02-15 1988-11-10 Nixdorf Computer Ag, 4790 Paderborn Method for controlling the transmission of PCM signals between connection points of a PCM time division multiplex telecommunications network in a conference operation and circuit arrangement for carrying out the method
US4408323A (en) 1981-06-29 1983-10-04 Bell Telephone Laboratories, Incorporated Processor facilities for integrated packet and voice switching
GB2103848B (en) * 1981-08-20 1985-04-11 Standard Telephones Cables Ltd Pcm system
FR2524750A1 (en) * 1982-03-30 1983-10-07 Telecommunications Sa MULTISALLE VISIOCONFERENCE SYSTEM
FR2533784B1 (en) * 1982-09-28 1989-06-30 Thomson Csf Mat Tel MULTIPLE CONFERENCE DEVICE FOR MIC TIME STICKERS WITH CONNECTION NETWORK
GB2128448B (en) * 1982-10-08 1985-11-13 Standard Telephones Cables Ltd Telephone exchange conference circuit

Also Published As

Publication number Publication date
AR209981A1 (en) 1977-06-15
FR2320015A1 (en) 1977-02-25
BR7604885A (en) 1977-08-09
GB1528240A (en) 1978-10-11
IN143837B (en) 1978-02-11
FR2320015B1 (en) 1981-09-25
TR19323A (en) 1978-11-28
SE7608445L (en) 1977-05-09
AU497812B2 (en) 1979-01-11
IT1040208B (en) 1979-12-20
NL7608295A (en) 1977-02-02
DE2634345A1 (en) 1977-02-17
AU1636576A (en) 1978-02-02

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